public class Main {
    public static void main(String[] args) {
        int[] arr = {1,2,3,4,5,6,7};
        int k = 3;
        Solution02 s = new Solution02();
        s.rotate(arr,k);
    }
    public static void main1(String[] args) {
        int[] arr = {3,0,1};
        Solution01 s = new Solution01();
        System.out.println(s.missingNumber(arr));
    }
}
